package com.sky.config;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.sky.interceptor.JwtTokenAdminInterceptor;
import com.sky.interceptor.JwtTokenUserInterceptor;
import com.sky.json.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.UUID;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;
    @Autowired
    private JwtTokenUserInterceptor jwtTokenUserInterceptor;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册商家自定义拦截器...");
        registry.addInterceptor(jwtTokenAdminInterceptor)
                .addPathPatterns("/admin/**")
                .excludePathPatterns("/admin/employee/login");
        log.info("开始注册用户自定义拦截器");
     registry.addInterceptor(jwtTokenUserInterceptor).
                //拦截哪些地址
                addPathPatterns("/user/**")
                //不拦截哪些地址
                .excludePathPatterns("/user/user/login")
                .excludePathPatterns("/user/shop/status");
    }


 /**
     * 通过knife4j生成接口文档
     * @return
     */
    @Bean
    public Docket docket() {
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("苍穹外卖项目接口文档")
                .version("2.0")
                .description("苍穹外卖项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.sky.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }

    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

//////////////////////////
    //消息转换器还没明白////////
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建一个消息转换器
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器添加一个对象转换器
        converter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器加入到conwerters,并放在第一个
        converters.add(0,converter);
    }
    @Bean//创建对象并存入ioc容器中
    public RedisTemplate<String,Object> RedisConfig(RedisConnectionFactory redisConnectionFactory)
    {
        log.info("开始创建redis模板");
        //设置redis的连接口工厂对象
        RedisTemplate<String,Object> redisTemplate = new RedisTemplate<>();
        //连接工厂
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        //序列化（防止乱码）序列化 (Serialization)是将对象的状态信息转换为可以存储或传输的形式的过程。
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));


        return redisTemplate;
    }


}
